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Future Batteries, by the Numbers
10/12/2012

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Using lead-acid chemistry with enhanced power density, Energy Power Systems hopes to replace the nickel-metal hydride batteries in hybrid cars with batteries that cost less than half as much.
Using lead-acid chemistry with enhanced power density, Energy Power Systems hopes to replace the nickel-metal hydride batteries in hybrid cars with batteries that cost less than half as much.

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Charles Murray
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Re: Good to see new research
Charles Murray   10/15/2012 10:15:42 PM
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I agree, Rob. If EV battery chemistries are going to come remotely close to what gasoline already gives us, this is the way it will happen. The people I spoke to said we have to be ready to move beyond lithium-ion, and the ARPA-e program is a great way to start doing that.  

Charles Murray
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Re: Vehicle life
Charles Murray   10/15/2012 10:24:18 PM
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Good point, Dennis. I drive a car with 175,000 miles on it and I believe it's got at least another 75,000 left. My son drives a car with 190,000 miles on it. Average vehicle life has soared over the last 20 years. Regarding high volume EVs: You hit it on the head. The key lies in your use of the words "high volume." Pure EVs are great, fun vehicles to drive, but the average consumer can't afford a second car that costs $30,000 to $40,000. Until higher energy batteries are readily available and until cost drops, pure EVs will see low volumes.

Rob Spiegel
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Re: Good to see new research
Rob Spiegel   10/15/2012 11:09:33 PM
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I agree, Chuck. The lithium-ion battery seems to have hit a wall. But who knows. In the time it takes for a battery based on alternative chemestry becomes feasible, the lithium-ion battery may have sacled its wall.

bobjengr
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Platinum
Future Batteries
bobjengr   1/15/2013 4:56:57 PM
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Charles, I agree completely with you on this point.  I'm driving a Toyota Pre-Runner and I cannot justify an EV at $40k as a replacement.  I have a 74 mile round-trip commute every day to one client.  Right now, until the industry can generate more miles between charges and bring down the purchase price, an EV is just not in my future. 

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